Figure 4. Charts of Monthly Isotherns end Iscchlors 



Dotted lines shou presvinod positions, 

 isotherns 

 isochlors 



/ TN: The figures on the grrphs nre in nany crses alnost illegible end the 

 readings given in the trcnsrijiticn nuFt_be regarded as guesses, especially 

 in the case cf scne of the IsochlcrG.^y' 



156 



